The size of the largest datafile， data1.dbf， in your database is 30MB. You issued the following command： RMAN>CONFIGURE MAXSETSIZE 10MB； What will be the impact of the above setting？（） While performing the backup of the datafile，data1.dbf，one backup set is created.。 While performing the backup of the datafile，data1.dbf，two backup sets are created.。 While performing the backup of the datafile，data1.dbf，three backup sets are created.。 While performing the backup of the datafile，data1.dbf，the command for performing a backup of the datafile，data1.dbf，will fail.。
（）负责项目前期各阶段勘察设计工作、参与工程管理、负责编写技术报告。 项目总工程师。 技术部项目经理。 质量安全部。 技术部。
In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（） Syntax when writing queries involving JOINS。 Memory usage when working with the data。 Character set mapping index hash size。 Disk usage when storing data。
发电机失步时，为创造恢复同期的条件，应（）。
日本明治维新中的土地政策更有利于（）。 中下级武士。 农民阶级。 新兴地主。 资产阶级。
Examine the data in the EMPLOYEES and EMP_HIST tables:
The EMP_HIST table is updated at the end of every year. The employee ID, name, job ID, and salary of each existing employee are modified with the latest data. New employee details are added to the table.
Which statement accomplishes this task?（）
